Bull piece at the Chicago Tribune. What they don't understand is that MMW machines have the same vulnerability (blind spots on your sides) and such a high rate of false alarms that they have flunked honest evaluations and been rejected elsewhere (e.g. Hamburg). Chicago Tribune: TSA's bumpy ride: A new turn in the tussle between security and privacyf Intelligent travelers accept that they must sacrifice privacy for security. Many of them routinely, and sincerely, thank TSA agents for keeping them safe.Even in post-9/11 America, however, there are limits to what some people will tolerate. TSA bumped up against one of those limits. We trust that the new scanners will keep air travel every bit as secure as TSA has kept it for more than 11 years.